From: Gavin Hu <gavin.hu@arm.com>
To: dev@dpdk.org
Cc: nd@arm.com, thomas@monjalon.net, konstantin.ananyev@intel.com,
jerinj@marvell.com, hemant.agrawal@nxp.com, nipun.gupta@nxp.com,
Honnappa.Nagarahalli@arm.com, gavin.hu@arm.com,
i.maximets@samsung.com, chaozhu@linux.vnet.ibm.com
Subject: [dpdk-dev] [PATCH v3 0/1] ring: enforce reading the tail before reading ring slots
Date: Wed, 13 Mar 2019 00:58:52 +0800 [thread overview]
Message-ID: <1552409933-45684-1-git-send-email-gavin.hu@arm.com> (raw)
In-Reply-To: <1551841661-42892-1-git-send-email-gavin.hu@arm.com>
Change log:
-V1: First version of the patch.
-V2: Update the commit message to describe the ordering of detailed memory
accesses.
-V3: As suggested by Konstantin Ananyev, remove the rte_smp_rmb for enqueue
case, as there is a control dependency in place, making rmb unnecessary. For
dequeue case, it is still required as the control dependency does not
order loads with loads.
gavin hu (1):
ring: enforce reading the tail before reading ring slots
lib/librte_ring/rte_ring_generic.h | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
--
2.7.4
next prev parent reply other threads:[~2019-03-12 16:59 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-06 3:07 [dpdk-dev] [PATCH v1] ring: enforce reading the tails before ring operations gavin hu
[not found] ` <CGME20190306114906eucas1p19c2572b1fe777e1eb0ca96d2e47295bd@eucas1p1.samsung.com>
2019-03-06 11:49 ` [dpdk-dev] [v1] " Ilya Maximets
2019-03-07 6:50 ` Gavin Hu (Arm Technology China)
2019-03-07 6:45 ` [dpdk-dev] [PATCH v2] " gavin hu
2019-03-07 8:52 ` Ilya Maximets
2019-03-07 9:27 ` Gavin Hu (Arm Technology China)
2019-03-07 9:48 ` Ilya Maximets
2019-03-07 10:44 ` Gavin Hu (Arm Technology China)
2019-03-07 11:17 ` Ananyev, Konstantin
2019-03-08 3:21 ` Honnappa Nagarahalli
2019-03-08 5:27 ` Gavin Hu (Arm Technology China)
2019-03-08 16:33 ` Ananyev, Konstantin
2019-03-10 20:47 ` Honnappa Nagarahalli
2019-03-11 13:58 ` Ananyev, Konstantin
2019-03-08 4:23 ` Gavin Hu (Arm Technology China)
2019-03-08 5:06 ` Honnappa Nagarahalli
2019-03-08 12:13 ` Ananyev, Konstantin
2019-03-08 15:05 ` Gavin Hu (Arm Technology China)
2019-03-08 15:50 ` Ananyev, Konstantin
2019-03-08 23:18 ` Thomas Monjalon
2019-03-08 23:48 ` Honnappa Nagarahalli
2019-03-09 10:28 ` Gavin Hu (Arm Technology China)
2019-03-12 16:58 ` Gavin Hu [this message]
2019-03-12 16:58 ` [dpdk-dev] [PATCH v3 1/1] ring: enforce reading the tail before reading ring slots Gavin Hu
2019-03-13 8:12 ` Nipun Gupta
2019-03-15 13:26 ` Ananyev, Konstantin
2019-03-15 13:26 ` Ananyev, Konstantin
2019-03-28 0:21 ` Thomas Monjalon
2019-03-28 0:21 ` Thomas Monjalon
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